This massive formation hidden in the desert is one of the largest natural arches in the world but remains vastly unknown due to its remote location.

The dam’s construction will require people to be relocated, though likely not as many as Three Gorges, which uprooted and moved 1.4 million people. The Medog dam will be bigger, but it’s in a more ...

Katy is Managing Editor at IFLScience where she oversees editorial content from News articles to Features, and even occasionally writes some.